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A172755
Number of 2*n X n 0..3 arrays with row sums 6 and column sums 12
1
0, 1, 28681, 38578100932, 552523141020099900, 58256290618618126540488181, 34391373190693800172956484206435649, 92324899878614980043437168195067658467141080
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OFFSET
1,3
LINKS
R. H. Hardin,
Table of n, a(n) for n=1..15
CROSSREFS
Sequence in context:
A341326
A179251
A122650
*
A172827
A145686
A224576
Adjacent sequences:
A172752
A172753
A172754
*
A172756
A172757
A172758
KEYWORD
nonn
AUTHOR
R. H. Hardin
Feb 06 2010
STATUS
approved
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Last modified September 3 21:01 EDT 2024. Contains 375675 sequences. (Running on oeis4.)